--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/c1/c1_InstructionPrinter.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,936 @@
+/*
+ * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "c1/c1_InstructionPrinter.hpp"
+#include "c1/c1_ValueStack.hpp"
+#include "ci/ciArray.hpp"
+#include "ci/ciInstance.hpp"
+#include "ci/ciObject.hpp"
+
+
+#ifndef PRODUCT
+
+const char* InstructionPrinter::basic_type_name(BasicType type) {
+  switch (type) {
+    case T_BOOLEAN: return "boolean";
+    case T_BYTE   : return "byte";
+    case T_CHAR   : return "char";
+    case T_SHORT  : return "short";
+    case T_INT    : return "int";
+    case T_LONG   : return "long";
+    case T_FLOAT  : return "float";
+    case T_DOUBLE : return "double";
+    case T_ARRAY  : return "array";
+    case T_OBJECT : return "object";
+    default       : return "???";
+  }
+}
+
+
+const char* InstructionPrinter::cond_name(If::Condition cond) {
+  switch (cond) {
+    case If::eql: return "==";
+    case If::neq: return "!=";
+    case If::lss: return "<";
+    case If::leq: return "<=";
+    case If::gtr: return ">";
+    case If::geq: return ">=";
+    case If::aeq: return "|>=|";
+    case If::beq: return "|<=|";
+    default:
+      ShouldNotReachHere();
+      return NULL;
+  }
+}
+
+
+const char* InstructionPrinter::op_name(Bytecodes::Code op) {
+  switch (op) {
+    // arithmetic ops
+    case Bytecodes::_iadd : // fall through
+    case Bytecodes::_ladd : // fall through
+    case Bytecodes::_fadd : // fall through
+    case Bytecodes::_dadd : return "+";
+    case Bytecodes::_isub : // fall through
+    case Bytecodes::_lsub : // fall through
+    case Bytecodes::_fsub : // fall through
+    case Bytecodes::_dsub : return "-";
+    case Bytecodes::_imul : // fall through
+    case Bytecodes::_lmul : // fall through
+    case Bytecodes::_fmul : // fall through
+    case Bytecodes::_dmul : return "*";
+    case Bytecodes::_idiv : // fall through
+    case Bytecodes::_ldiv : // fall through
+    case Bytecodes::_fdiv : // fall through
+    case Bytecodes::_ddiv : return "/";
+    case Bytecodes::_irem : // fall through
+    case Bytecodes::_lrem : // fall through
+    case Bytecodes::_frem : // fall through
+    case Bytecodes::_drem : return "%";
+    // shift ops
+    case Bytecodes::_ishl : // fall through
+    case Bytecodes::_lshl : return "<<";
+    case Bytecodes::_ishr : // fall through
+    case Bytecodes::_lshr : return ">>";
+    case Bytecodes::_iushr: // fall through
+    case Bytecodes::_lushr: return ">>>";
+    // logic ops
+    case Bytecodes::_iand : // fall through
+    case Bytecodes::_land : return "&";
+    case Bytecodes::_ior  : // fall through
+    case Bytecodes::_lor  : return "|";
+    case Bytecodes::_ixor : // fall through
+    case Bytecodes::_lxor : return "^";
+    default               : return Bytecodes::name(op);
+  }
+}
+
+
+bool InstructionPrinter::is_illegal_phi(Value v) {
+  Phi* phi = v ? v->as_Phi() : NULL;
+  if (phi && phi->is_illegal()) {
+    return true;
+  }
+  return false;
+}
+
+
+bool InstructionPrinter::is_phi_of_block(Value v, BlockBegin* b) {
+  Phi* phi = v ? v->as_Phi() : NULL;
+  return phi && phi->block() == b;
+}
+
+
+void InstructionPrinter::print_klass(ciKlass* klass) {
+  klass->name()->print_symbol_on(output());
+}
+
+
+void InstructionPrinter::print_object(Value obj) {
+  ValueType* type = obj->type();
+  if (type->as_ObjectConstant() != NULL) {
+    ciObject* value = type->as_ObjectConstant()->value();
+    if (value->is_null_object()) {
+      output()->print("null");
+    } else if (!value->is_loaded()) {
+      output()->print("<unloaded object " INTPTR_FORMAT ">", p2i(value));
+    } else {
+      output()->print("<object " INTPTR_FORMAT " klass=", p2i(value->constant_encoding()));
+      print_klass(value->klass());
+      output()->print(">");
+    }
+  } else if (type->as_InstanceConstant() != NULL) {
+    ciInstance* value = type->as_InstanceConstant()->value();
+    if (value->is_loaded()) {
+      output()->print("<instance " INTPTR_FORMAT " klass=", p2i(value->constant_encoding()));
+      print_klass(value->klass());
+      output()->print(">");
+    } else {
+      output()->print("<unloaded instance " INTPTR_FORMAT ">", p2i(value));
+    }
+  } else if (type->as_ArrayConstant() != NULL) {
+    output()->print("<array " INTPTR_FORMAT ">", p2i(type->as_ArrayConstant()->value()->constant_encoding()));
+  } else if (type->as_ClassConstant() != NULL) {
+    ciInstanceKlass* klass = type->as_ClassConstant()->value();
+    if (!klass->is_loaded()) {
+      output()->print("<unloaded> ");
+    }
+    output()->print("class ");
+    print_klass(klass);
+  } else if (type->as_MethodConstant() != NULL) {
+    ciMethod* m = type->as_MethodConstant()->value();
+    output()->print("<method %s.%s>", m->holder()->name()->as_utf8(), m->name()->as_utf8());
+  } else {
+    output()->print("???");
+  }
+}
+
+
+void InstructionPrinter::print_temp(Value value) {
+  output()->print("%c%d", value->type()->tchar(), value->id());
+}
+
+
+void InstructionPrinter::print_field(AccessField* field) {
+  print_value(field->obj());
+  output()->print("._%d", field->offset());
+}
+
+
+void InstructionPrinter::print_indexed(AccessIndexed* indexed) {
+  print_value(indexed->array());
+  output()->put('[');
+  print_value(indexed->index());
+  output()->put(']');
+  if (indexed->length() != NULL) {
+    output()->put('(');
+    print_value(indexed->length());
+    output()->put(')');
+  }
+}
+
+
+void InstructionPrinter::print_monitor(AccessMonitor* monitor) {
+  output()->print("monitor[%d](", monitor->monitor_no());
+  print_value(monitor->obj());
+  output()->put(')');
+}
+
+
+void InstructionPrinter::print_op2(Op2* instr) {
+  print_value(instr->x());
+  output()->print(" %s ", op_name(instr->op()));
+  print_value(instr->y());
+}
+
+
+void InstructionPrinter::print_value(Value value) {
+  if (value == NULL) {
+    output()->print("NULL");
+  } else {
+    print_temp(value);
+  }
+}
+
+
+void InstructionPrinter::print_instr(Instruction* instr) {
+  instr->visit(this);
+}
+
+
+void InstructionPrinter::print_stack(ValueStack* stack) {
+  int start_position = output()->position();
+  if (stack->stack_is_empty()) {
+    output()->print("empty stack");
+  } else {
+    output()->print("stack [");
+    for (int i = 0; i < stack->stack_size();) {
+      if (i > 0) output()->print(", ");
+      output()->print("%d:", i);
+      Value value = stack->stack_at_inc(i);
+      print_value(value);
+      Phi* phi = value->as_Phi();
+      if (phi != NULL) {
+        if (phi->operand()->is_valid()) {
+          output()->print(" ");
+          phi->operand()->print(output());
+        }
+      }
+    }
+    output()->put(']');
+  }
+  if (!stack->no_active_locks()) {
+    // print out the lines on the line below this
+    // one at the same indentation level.
+    output()->cr();
+    fill_to(start_position, ' ');
+    output()->print("locks [");
+    for (int i = i = 0; i < stack->locks_size(); i++) {
+      Value t = stack->lock_at(i);
+      if (i > 0) output()->print(", ");
+      output()->print("%d:", i);
+      if (t == NULL) {
+        // synchronized methods push null on the lock stack
+        output()->print("this");
+      } else {
+        print_value(t);
+      }
+    }
+    output()->print("]");
+  }
+}
+
+
+void InstructionPrinter::print_inline_level(BlockBegin* block) {
+  output()->print_cr("inlining depth %d", block->scope()->level());
+}
+
+
+void InstructionPrinter::print_unsafe_op(UnsafeOp* op, const char* name) {
+  output()->print("%s", name);
+  output()->print(".(");
+}
+
+void InstructionPrinter::print_unsafe_raw_op(UnsafeRawOp* op, const char* name) {
+  print_unsafe_op(op, name);
+  output()->print("base ");
+  print_value(op->base());
+  if (op->has_index()) {
+    output()->print(", index "); print_value(op->index());
+    output()->print(", log2_scale %d", op->log2_scale());
+  }
+}
+
+
+void InstructionPrinter::print_unsafe_object_op(UnsafeObjectOp* op, const char* name) {
+  print_unsafe_op(op, name);
+  print_value(op->object());
+  output()->print(", ");
+  print_value(op->offset());
+}
+
+
+void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) {
+  Phi* phi = v->as_Phi();
+  output()->print("%2d  ", i);
+  print_value(v);
+  // print phi operands
+  if (phi && phi->block() == b) {
+    output()->print(" [");
+    for (int j = 0; j < phi->operand_count(); j ++) {
+      output()->print(" ");
+      Value opd = phi->operand_at(j);
+      if (opd) print_value(opd);
+      else output()->print("NULL");
+    }
+    output()->print("] ");
+  }
+  print_alias(v);
+}
+
+
+void InstructionPrinter::print_alias(Value v) {
+  if (v != v->subst()) {
+    output()->print("alias "); print_value(v->subst());
+  }
+}
+
+
+void InstructionPrinter::fill_to(int pos, char filler) {
+  while (output()->position() < pos) output()->put(filler);
+}
+
+
+void InstructionPrinter::print_head() {
+  const char filler = '_';
+  fill_to(bci_pos  , filler); output()->print("bci"  );
+  fill_to(use_pos  , filler); output()->print("use"  );
+  fill_to(temp_pos , filler); output()->print("tid"  );
+  fill_to(instr_pos, filler); output()->print("instr");
+  fill_to(end_pos  , filler);
+  output()->cr();
+}
+
+
+void InstructionPrinter::print_line(Instruction* instr) {
+  // print instruction data on one line
+  if (instr->is_pinned()) output()->put('.');
+  fill_to(bci_pos  ); output()->print("%d", instr->printable_bci());
+  fill_to(use_pos  ); output()->print("%d", instr->use_count());
+  fill_to(temp_pos ); print_temp(instr);
+  fill_to(instr_pos); print_instr(instr);
+  output()->cr();
+  // add a line for StateSplit instructions w/ non-empty stacks
+  // (make it robust so we can print incomplete instructions)
+  StateSplit* split = instr->as_StateSplit();
+  if (split != NULL && split->state() != NULL && !split->state()->stack_is_empty()) {
+    fill_to(instr_pos); print_stack(split->state());
+    output()->cr();
+  }
+}
+
+
+void InstructionPrinter::do_Phi(Phi* x) {
+  output()->print("phi function");  // make that more detailed later
+  if (x->is_illegal())
+    output()->print(" (illegal)");
+}
+
+
+void InstructionPrinter::do_Local(Local* x) {
+  output()->print("local[index %d]", x->java_index());
+}
+
+
+void InstructionPrinter::do_Constant(Constant* x) {
+  ValueType* t = x->type();
+  switch (t->tag()) {
+    case intTag    : output()->print("%d"  , t->as_IntConstant   ()->value());    break;
+    case longTag   : output()->print(JLONG_FORMAT, t->as_LongConstant()->value()); output()->print("L"); break;
+    case floatTag  : output()->print("%g"  , t->as_FloatConstant ()->value());    break;
+    case doubleTag : output()->print("%gD" , t->as_DoubleConstant()->value());    break;
+    case objectTag : print_object(x);                                        break;
+    case addressTag: output()->print("bci:%d", t->as_AddressConstant()->value()); break;
+    default        : output()->print("???");                                      break;
+  }
+}
+
+
+void InstructionPrinter::do_LoadField(LoadField* x) {
+  print_field(x);
+  output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
+  output()->print(" %s", x->field()->name()->as_utf8());
+}
+
+
+void InstructionPrinter::do_StoreField(StoreField* x) {
+  print_field(x);
+  output()->print(" := ");
+  print_value(x->value());
+  output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
+  output()->print(" %s", x->field()->name()->as_utf8());
+}
+
+
+void InstructionPrinter::do_ArrayLength(ArrayLength* x) {
+  print_value(x->array());
+  output()->print(".length");
+}
+
+
+void InstructionPrinter::do_LoadIndexed(LoadIndexed* x) {
+  print_indexed(x);
+  output()->print(" (%c)", type2char(x->elt_type()));
+  if (x->check_flag(Instruction::NeedsRangeCheckFlag)) {
+    output()->print(" [rc]");
+  }
+}
+
+
+void InstructionPrinter::do_StoreIndexed(StoreIndexed* x) {
+  print_indexed(x);
+  output()->print(" := ");
+  print_value(x->value());
+  output()->print(" (%c)", type2char(x->elt_type()));
+  if (x->check_flag(Instruction::NeedsRangeCheckFlag)) {
+    output()->print(" [rc]");
+  }
+}
+
+void InstructionPrinter::do_NegateOp(NegateOp* x) {
+  output()->put('-');
+  print_value(x->x());
+}
+
+
+void InstructionPrinter::do_ArithmeticOp(ArithmeticOp* x) {
+  print_op2(x);
+}
+
+
+void InstructionPrinter::do_ShiftOp(ShiftOp* x) {
+  print_op2(x);
+}
+
+
+void InstructionPrinter::do_LogicOp(LogicOp* x) {
+  print_op2(x);
+}
+
+
+void InstructionPrinter::do_CompareOp(CompareOp* x) {
+  print_op2(x);
+}
+
+
+void InstructionPrinter::do_IfOp(IfOp* x) {
+  print_value(x->x());
+  output()->print(" %s ", cond_name(x->cond()));
+  print_value(x->y());
+  output()->print(" ? ");
+  print_value(x->tval());
+  output()->print(" : ");
+  print_value(x->fval());
+}
+
+
+void InstructionPrinter::do_Convert(Convert* x) {
+  output()->print("%s(", Bytecodes::name(x->op()));
+  print_value(x->value());
+  output()->put(')');
+}
+
+
+void InstructionPrinter::do_NullCheck(NullCheck* x) {
+  output()->print("null_check(");
+  print_value(x->obj());
+  output()->put(')');
+  if (!x->can_trap()) {
+    output()->print(" (eliminated)");
+  }
+}
+
+
+void InstructionPrinter::do_TypeCast(TypeCast* x) {
+  output()->print("type_cast(");
+  print_value(x->obj());
+  output()->print(") ");
+  if (x->declared_type()->is_klass())
+    print_klass(x->declared_type()->as_klass());
+  else
+    output()->print("%s", type2name(x->declared_type()->basic_type()));
+}
+
+
+void InstructionPrinter::do_Invoke(Invoke* x) {
+  if (x->receiver() != NULL) {
+    print_value(x->receiver());
+    output()->print(".");
+  }
+
+  output()->print("%s(", Bytecodes::name(x->code()));
+  for (int i = 0; i < x->number_of_arguments(); i++) {
+    if (i > 0) output()->print(", ");
+    print_value(x->argument_at(i));
+  }
+  output()->print_cr(")");
+  fill_to(instr_pos);
+  output()->print("%s.%s%s",
+             x->target()->holder()->name()->as_utf8(),
+             x->target()->name()->as_utf8(),
+             x->target()->signature()->as_symbol()->as_utf8());
+}
+
+
+void InstructionPrinter::do_NewInstance(NewInstance* x) {
+  output()->print("new instance ");
+  print_klass(x->klass());
+}
+
+
+void InstructionPrinter::do_NewTypeArray(NewTypeArray* x) {
+  output()->print("new %s array [", basic_type_name(x->elt_type()));
+  print_value(x->length());
+  output()->put(']');
+}
+
+
+void InstructionPrinter::do_NewObjectArray(NewObjectArray* x) {
+  output()->print("new object array [");
+  print_value(x->length());
+  output()->print("] ");
+  print_klass(x->klass());
+}
+
+
+void InstructionPrinter::do_NewMultiArray(NewMultiArray* x) {
+  output()->print("new multi array [");
+  Values* dims = x->dims();
+  for (int i = 0; i < dims->length(); i++) {
+    if (i > 0) output()->print(", ");
+    print_value(dims->at(i));
+  }
+  output()->print("] ");
+  print_klass(x->klass());
+}
+
+
+void InstructionPrinter::do_MonitorEnter(MonitorEnter* x) {
+  output()->print("enter ");
+  print_monitor(x);
+}
+
+
+void InstructionPrinter::do_MonitorExit(MonitorExit* x) {
+  output()->print("exit ");
+  print_monitor(x);
+}
+
+
+void InstructionPrinter::do_Intrinsic(Intrinsic* x) {
+  const char* name = vmIntrinsics::name_at(x->id());
+  if (name[0] == '_')  name++;  // strip leading bug from _hashCode, etc.
+  const char* kname = vmSymbols::name_for(vmIntrinsics::class_for(x->id()));
+  if (strchr(name, '_') == NULL) {
+    kname = NULL;
+  } else {
+    const char* kptr = strrchr(kname, '/');
+    if (kptr != NULL)  kname = kptr + 1;
+  }
+  if (kname == NULL)
+    output()->print("%s(", name);
+  else
+    output()->print("%s.%s(", kname, name);
+  for (int i = 0; i < x->number_of_arguments(); i++) {
+    if (i > 0) output()->print(", ");
+    print_value(x->argument_at(i));
+  }
+  output()->put(')');
+}
+
+
+void InstructionPrinter::do_BlockBegin(BlockBegin* x) {
+  // print block id
+  BlockEnd* end = x->end();
+  output()->print("B%d ", x->block_id());
+
+  // print flags
+  bool printed_flag = false;
+  if (x->is_set(BlockBegin::std_entry_flag)) {
+    if (!printed_flag) output()->print("(");
+    output()->print("S"); printed_flag = true;
+  }
+  if (x->is_set(BlockBegin::osr_entry_flag)) {
+    if (!printed_flag) output()->print("(");
+    output()->print("O"); printed_flag = true;
+  }
+  if (x->is_set(BlockBegin::exception_entry_flag)) {
+    if (!printed_flag) output()->print("(");
+    output()->print("E"); printed_flag = true;
+  }
+  if (x->is_set(BlockBegin::subroutine_entry_flag)) {
+    if (!printed_flag) output()->print("(");
+    output()->print("s"); printed_flag = true;
+  }
+  if (x->is_set(BlockBegin::parser_loop_header_flag)) {
+    if (!printed_flag) output()->print("(");
+    output()->print("LH"); printed_flag = true;
+  }
+  if (x->is_set(BlockBegin::backward_branch_target_flag)) {
+    if (!printed_flag) output()->print("(");
+    output()->print("b"); printed_flag = true;
+  }
+  if (x->is_set(BlockBegin::was_visited_flag)) {
+    if (!printed_flag) output()->print("(");
+    output()->print("V"); printed_flag = true;
+  }
+  if (printed_flag) output()->print(") ");
+
+  // print block bci range
+  output()->print("[%d, %d]", x->bci(), (end == NULL ? -1 : end->printable_bci()));
+
+  // print block successors
+  if (end != NULL && end->number_of_sux() > 0) {
+    output()->print(" ->");
+    for (int i = 0; i < end->number_of_sux(); i++) {
+      output()->print(" B%d", end->sux_at(i)->block_id());
+    }
+  }
+  // print exception handlers
+  if (x->number_of_exception_handlers() > 0) {
+    output()->print(" (xhandlers ");
+    for (int i = 0; i < x->number_of_exception_handlers();  i++) {
+      if (i > 0) output()->print(" ");
+      output()->print("B%d", x->exception_handler_at(i)->block_id());
+    }
+    output()->put(')');
+  }
+
+  // print dominator block
+  if (x->dominator() != NULL) {
+    output()->print(" dom B%d", x->dominator()->block_id());
+  }
+
+  // print predecessors and successors
+  if (x->successors()->length() > 0) {
+    output()->print(" sux:");
+    for (int i = 0; i < x->successors()->length(); i ++) {
+      output()->print(" B%d", x->successors()->at(i)->block_id());
+    }
+  }
+
+  if (x->number_of_preds() > 0) {
+    output()->print(" pred:");
+    for (int i = 0; i < x->number_of_preds(); i ++) {
+      output()->print(" B%d", x->pred_at(i)->block_id());
+    }
+  }
+
+  if (!_print_phis) {
+    return;
+  }
+
+  // print phi functions
+  bool has_phis_in_locals = false;
+  bool has_phis_on_stack = false;
+
+  if (x->end() && x->end()->state()) {
+    ValueStack* state = x->state();
+
+    int i = 0;
+    while (!has_phis_on_stack && i < state->stack_size()) {
+      Value v = state->stack_at_inc(i);
+      has_phis_on_stack = is_phi_of_block(v, x);
+    }
+
+    do {
+      for (i = 0; !has_phis_in_locals && i < state->locals_size();) {
+        Value v = state->local_at(i);
+        has_phis_in_locals = is_phi_of_block(v, x);
+        // also ignore illegal HiWords
+        if (v && !v->type()->is_illegal()) i += v->type()->size(); else i ++;
+      }
+      state = state->caller_state();
+    } while (state != NULL);
+
+  }
+
+  // print values in locals
+  if (has_phis_in_locals) {
+    output()->cr(); output()->print_cr("Locals:");
+
+    ValueStack* state = x->state();
+    do {
+      for (int i = 0; i < state->locals_size();) {
+        Value v = state->local_at(i);
+        if (v) {
+          print_phi(i, v, x); output()->cr();
+          // also ignore illegal HiWords
+          i += (v->type()->is_illegal() ? 1 : v->type()->size());
+        } else {
+          i ++;
+        }
+      }
+      output()->cr();
+      state = state->caller_state();
+    } while (state != NULL);
+  }
+
+  // print values on stack
+  if (has_phis_on_stack) {
+    output()->print_cr("Stack:");
+    int i = 0;
+    while (i < x->state()->stack_size()) {
+      int o = i;
+      Value v = x->state()->stack_at_inc(i);
+      if (v) {
+        print_phi(o, v, x); output()->cr();
+      }
+    }
+  }
+}
+
+
+void InstructionPrinter::do_CheckCast(CheckCast* x) {
+  output()->print("checkcast(");
+  print_value(x->obj());
+  output()->print(") ");
+  print_klass(x->klass());
+}
+
+
+void InstructionPrinter::do_InstanceOf(InstanceOf* x) {
+  output()->print("instanceof(");
+  print_value(x->obj());
+  output()->print(") ");
+  print_klass(x->klass());
+}
+
+
+void InstructionPrinter::do_Goto(Goto* x) {
+  output()->print("goto B%d", x->default_sux()->block_id());
+  if (x->is_safepoint()) output()->print(" (safepoint)");
+}
+
+
+void InstructionPrinter::do_If(If* x) {
+  output()->print("if ");
+  print_value(x->x());
+  output()->print(" %s ", cond_name(x->cond()));
+  print_value(x->y());
+  output()->print(" then B%d else B%d", x->sux_at(0)->block_id(), x->sux_at(1)->block_id());
+  if (x->is_safepoint()) output()->print(" (safepoint)");
+}
+
+
+void InstructionPrinter::do_IfInstanceOf(IfInstanceOf* x) {
+  output()->print("<IfInstanceOf>");
+}
+
+
+void InstructionPrinter::do_TableSwitch(TableSwitch* x) {
+  output()->print("tableswitch ");
+  if (x->is_safepoint()) output()->print("(safepoint) ");
+  print_value(x->tag());
+  output()->cr();
+  int l = x->length();
+  for (int i = 0; i < l; i++) {
+    fill_to(instr_pos);
+    output()->print_cr("case %5d: B%d", x->lo_key() + i, x->sux_at(i)->block_id());
+  }
+  fill_to(instr_pos);
+  output()->print("default   : B%d", x->default_sux()->block_id());
+}
+
+
+void InstructionPrinter::do_LookupSwitch(LookupSwitch* x) {
+  output()->print("lookupswitch ");
+  if (x->is_safepoint()) output()->print("(safepoint) ");
+  print_value(x->tag());
+  output()->cr();
+  int l = x->length();
+  for (int i = 0; i < l; i++) {
+    fill_to(instr_pos);
+    output()->print_cr("case %5d: B%d", x->key_at(i), x->sux_at(i)->block_id());
+  }
+  fill_to(instr_pos);
+  output()->print("default   : B%d", x->default_sux()->block_id());
+}
+
+
+void InstructionPrinter::do_Return(Return* x) {
+  if (x->result() == NULL) {
+    output()->print("return");
+  } else {
+    output()->print("%creturn ", x->type()->tchar());
+    print_value(x->result());
+  }
+}
+
+
+void InstructionPrinter::do_Throw(Throw* x) {
+  output()->print("throw ");
+  print_value(x->exception());
+}
+
+
+void InstructionPrinter::do_Base(Base* x) {
+  output()->print("std entry B%d", x->std_entry()->block_id());
+  if (x->number_of_sux() > 1) {
+    output()->print(" osr entry B%d", x->osr_entry()->block_id());
+  }
+}
+
+
+void InstructionPrinter::do_OsrEntry(OsrEntry* x) {
+  output()->print("osr entry");
+}
+
+
+void InstructionPrinter::do_ExceptionObject(ExceptionObject* x) {
+  output()->print("incoming exception");
+}
+
+
+void InstructionPrinter::do_RoundFP(RoundFP* x) {
+  output()->print("round_fp ");
+  print_value(x->input());
+}
+
+
+void InstructionPrinter::do_UnsafeGetRaw(UnsafeGetRaw* x) {
+  print_unsafe_raw_op(x, "UnsafeGetRaw");
+  output()->put(')');
+}
+
+
+void InstructionPrinter::do_UnsafePutRaw(UnsafePutRaw* x) {
+  print_unsafe_raw_op(x, "UnsafePutRaw");
+  output()->print(", value ");
+  print_value(x->value());
+  output()->put(')');
+}
+
+
+void InstructionPrinter::do_UnsafeGetObject(UnsafeGetObject* x) {
+  print_unsafe_object_op(x, "UnsafeGetObject");
+  output()->put(')');
+}
+
+
+void InstructionPrinter::do_UnsafePutObject(UnsafePutObject* x) {
+  print_unsafe_object_op(x, "UnsafePutObject");
+  output()->print(", value ");
+  print_value(x->value());
+  output()->put(')');
+}
+
+void InstructionPrinter::do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) {
+  print_unsafe_object_op(x, x->is_add()?"UnsafeGetAndSetObject (add)":"UnsafeGetAndSetObject");
+  output()->print(", value ");
+  print_value(x->value());
+  output()->put(')');
+}
+
+void InstructionPrinter::do_RangeCheckPredicate(RangeCheckPredicate* x) {
+
+  if (x->x() != NULL && x->y() != NULL) {
+    output()->print("if ");
+    print_value(x->x());
+    output()->print(" %s ", cond_name(x->cond()));
+    print_value(x->y());
+    output()->print(" then deoptimize!");
+  } else {
+    output()->print("always deoptimize!");
+  }
+}
+
+#ifdef ASSERT
+void InstructionPrinter::do_Assert(Assert* x) {
+  output()->print("assert ");
+  print_value(x->x());
+  output()->print(" %s ", cond_name(x->cond()));
+  print_value(x->y());
+}
+#endif
+
+void InstructionPrinter::do_ProfileCall(ProfileCall* x) {
+  output()->print("profile ");
+  print_value(x->recv());
+  output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8());
+  if (x->known_holder() != NULL) {
+    output()->print(", ");
+    print_klass(x->known_holder());
+    output()->print(" ");
+  }
+  for (int i = 0; i < x->nb_profiled_args(); i++) {
+    if (i > 0) output()->print(", ");
+    print_value(x->profiled_arg_at(i));
+    if (x->arg_needs_null_check(i)) {
+      output()->print(" [NC]");
+    }
+  }
+  output()->put(')');
+}
+
+void InstructionPrinter::do_ProfileReturnType(ProfileReturnType* x) {
+  output()->print("profile ret type ");
+  print_value(x->ret());
+  output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8());
+  output()->put(')');
+}
+void InstructionPrinter::do_ProfileInvoke(ProfileInvoke* x) {
+  output()->print("profile_invoke ");
+  output()->print(" %s.%s", x->inlinee()->holder()->name()->as_utf8(), x->inlinee()->name()->as_utf8());
+  output()->put(')');
+
+}
+
+void InstructionPrinter::do_RuntimeCall(RuntimeCall* x) {
+  output()->print("call_rt %s(", x->entry_name());
+  for (int i = 0; i < x->number_of_arguments(); i++) {
+    if (i > 0) output()->print(", ");
+    print_value(x->argument_at(i));
+  }
+  output()->put(')');
+}
+
+void InstructionPrinter::do_MemBar(MemBar* x) {
+  if (os::is_MP()) {
+    LIR_Code code = x->code();
+    switch (code) {
+      case lir_membar_acquire   : output()->print("membar_acquire"); break;
+      case lir_membar_release   : output()->print("membar_release"); break;
+      case lir_membar           : output()->print("membar"); break;
+      case lir_membar_loadload  : output()->print("membar_loadload"); break;
+      case lir_membar_storestore: output()->print("membar_storestore"); break;
+      case lir_membar_loadstore : output()->print("membar_loadstore"); break;
+      case lir_membar_storeload : output()->print("membar_storeload"); break;
+      default                   : ShouldNotReachHere(); break;
+    }
+  }
+}
+
+#endif // PRODUCT